| All Patents in class 411/402 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 30,678 | Nov. 20, 1860 | B. Holly | Hose Coupling Nut | water hoses |
| 135,388 | Jan. 28, 1873 | T.M. Tucker | Casting Centers on Cast Iron Screws | screws |
| 370,255 | Sep. 20, 1887 | D.R. Hart | Screw Driver | screwdriver blades |
| 417,722 | Dec. 24, 1889 | D.R. Hart | Screw Driver | screwdriver blades |
| 462,252 | Nov. 03, 1891 | H.L. Gillette | Headless or Trim Screwdriver | screwdrivers |
| 588,438 | Aug. 17, 1897 | R. Whitaker, J.W. Johnson | Wrench | alligator wrenches |
| 1,380,562 | Jun. 07, 1921 | M. Keating | Valve Plug Remover | |
| 2,016,088 | Oct. 01, 1935 | J.M. Hargrave | c clamp | C clamps |
| 2,103,944 | Dec. 28, 1937 | A.V. Gullborg | Screw Part and Driver | socket wrenches |
